@Override
public void init(GLAutoDrawable drawable) {
try {
gl = drawable.getGL().getGL2();
gl.glClearColor(0.7f, 0.7f, 0.9f, 1.0f);
// gl.setSwapInterval(1);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL.GL_CULL_FACE);
gl.glCullFace(GL.GL_BACK);
/////////////////////////////////
// carregando e compilando objetos
/////////////////////////////////
createSceneObjects();
Iterator<SceneObject> it = scene.getSceneObjectsIterator();
while (it.hasNext()) {
SceneObject sceneObject = it.next();
JWavefrontModel[] models = sceneObject.getAnimationModels();
if (models == null) continue;
for (JWavefrontModel model : models) {
if (sceneObject.useTexture())
model.compile(
drawable,
JWavefrontModel.WF_MATERIAL
| JWavefrontModel.WF_TEXTURE
| JWavefrontModel.WF_SMOOTH);
else model.compile(drawable, JWavefrontModel.WF_COLOR | JWavefrontModel.WF_SMOOTH);
}
}
// light
setSunLight();
// fog
setFog();
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
float h = (float) mainFrame.getWidth() / (float) mainFrame.getHeight();
glu.gluPerspective(FPCamera.FOV, h, FPCamera.NEAR, FPCamera.FAR);
} catch (IOException ex) {
Logger.getLogger(Renderer.class.getName()).log(Level.SEVERE, null, ex);
}
}
@Override
public void display(GLAutoDrawable drawable) {
gl = drawable.getGL().getGL2();
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
// desenha ou nao a bounding sphere de cada objeto
if (InputHandler.getInstance().isKeyPressed(KeyEvent.VK_B)) { // tecla B
BoundingVolume.isVisible = !BoundingVolume.isVisible;
}
// habilita ou nao fog
if (InputHandler.getInstance().isKeyPressed(KeyEvent.VK_F)) { // tecla F
fogEnabled = !fogEnabled;
if (fogEnabled) gl.glEnable(GL2.GL_FOG);
else gl.glDisable(GL2.GL_FOG);
}
// atualiza camera
camera.update();
// atualiza objetos
{
Iterator<SceneObject> it = Scene.getInstance().getSceneObjectsIterator();
while (it.hasNext()) {
SceneObject so = it.next();
// animacao da porta
if (so.getName().contains("door")) {
if (Collision.collide(
camera.getSceneObject().getBoundingSphere(), so.getBoundingSphere()))
so.setAnimating(true);
else so.setAnimating(false);
}
so.update();
}
}
glu.gluLookAt(
FPCamera.position.x,
FPCamera.position.y,
FPCamera.position.z,
FPCamera.position.x + FPCamera.look.x,
FPCamera.position.y + FPCamera.look.y,
FPCamera.position.z + FPCamera.look.z,
FPCamera.up.x,
FPCamera.up.y,
FPCamera.up.z);
if (FPCamera.changed) { // se direcao da camera mudar
FPCamera.changed = false;
frustum.generate(drawable); // gera o frustum
Scene.getInstance().clearVisibleObjectsList();
Iterator<SceneObject> it = Scene.getInstance().getSceneObjectsIterator();
while (it.hasNext()) {
SceneObject so = it.next();
if (frustum.sphereInFrustum(so.getBoundingSphere()))
Scene.getInstance().addVisibleObject(so);
}
// System.out.println("Renderable objects: "+ Scene.getInstance().getSize());
// System.out.println(FPCamera.position);
}
// desenha objetos
{
Iterator<SceneObject> it = Scene.getInstance().getVisibleObjectsIterator();
SceneObject so;
while (it.hasNext()) {
so = it.next();
if (so.getName().contains("lake")) {
gl.glPushAttrib(GL2.GL_ENABLE_BIT);
gl.glEnable(GL.GL_BLEND);
gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE);
so.draw(drawable);
gl.glPopAttrib();
continue;
}
so.draw(drawable);
}
}
// int e = gl.glGetError();
// if(e != GL.GL_NO_ERROR) {
// System.err.println("Erro: "+ gl.glGetString(e));
// }
// calculo do fps
++frame;
long time = System.currentTimeMillis();
elapsed = time - timebase;
if (elapsed > 1000) {
long fps = frame * 1000 / (time - timebase);
timebase = time;
frame = 0;
String str = "FPS: " + fps;
mainFrame.setTitle(str);
}
// gl.glFlush();
}